10. LogitProbitLinear Prob.Model

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10. Logit/Probit/Linear Prob.Model

• Dealing with dichotomous dependent variables

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• p(Y1) y
• or
• p(D-Winner1) D-Winner
• y f(b0 b1X1 )
• or
• D-Winner f(b0 b1demvote )
• Shorthand b0 b1demvote XB
• What is f(XB)?
• Linear f(XB) XB
• Logistic f(XB) eXB/(1eXB)
• Probit f(XB) Pr(ZltXB) ZN(0,1)

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Probit
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